630691510066 has 8 divisors (see below), whose sum is σ = 947486022444. Its totient is φ = 314862835920.

The previous prime is 630691509971. The next prime is 630691510079. The reversal of 630691510066 is 660015196036.

It can be written as a sum of positive squares in 2 ways, for example, as 625989528025 + 4701982041 = 791195^2 + 68571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241457925 + ... + 241460536.

Almost surely, 2^630691510066 is an apocalyptic number.

630691510066 is a deficient number, since it is larger than the sum of its proper divisors (316794512378).

630691510066 is a wasteful number, since it uses less digits than its factorization.

630691510066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482919116.

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 630691510066 in words is "six hundred thirty billion, six hundred ninety-one million, five hundred ten thousand, sixty-six".